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Also it's extremely rare to find no pilot error. The regulations broadly say "pilot must get acquaintanced with all aspects regarding flight safety" intentional

Also it's extremely rare to find no pilot error. The regulations broadly say "pilot must get acquaintanced with all aspects regarding flight safety" intentionally, so pilot could not say "I didn't know" -- must have known.

adastra22 2y ago
But sometimes the pilot followed correct procedure, and the correct procedure was to blame. In those instances the procedure is changed.
- wkat4242 2y ago
  Yes or the correct procedure was not correctly written up in the flight manual, not trained on, too hard to find in a pinch etc. Or the situation was so complex it was hard to identify which procedure applied.
wkat4242 2y ago
True but these days it's very very hard to know everything actively. There's just so very much. It's understandable when a pilot forgets about that one obscure button that's only used in some edge case only happening on one in 100.000 flights. These days being a pilot is a lot like being a system engineer especially since the dedicated flight engineer position is gone. Yet also requiring the spatial awareness and manual skills of flying. I'm often surprised how well it still goes with the complexity of modern aircraft.
- Gare 2y ago
  > I'm often surprised how well it still goes with the complexity of modern aircraft. Most of that "complexity" are systems that help the pilots, reduce workload and possibility of error. It's really hard to crash a modern airliner.
  - lukan 2y ago
    "It's really hard to crash a modern airliner." When everything is working as it should be. If it isn't, you want the pilot to understand what is not working and act on it.
- OJFord 2y ago
  I don't think GP is saying anything to the contrary, just that you can find 'pilot error' because however unreasonable that is what is expected. Essentially the same as ignorance of the law not being a valid defence. I do not know all the laws. I am nevertheless held accountable to them if I am (allegedly) found in contravention of them.
- david422 2y ago
  > It's understandable when a pilot forgets about that one obscure button that's only used in some edge case only happening on one in 100.000 flights. They have recurrent training so they don't forget about those buttons though.
avalys 2y ago
I wouldn't say "extremely rare". Mechanical failures, maintenance errors, ATC errors, bird strikes, incorrect weather forecasts, etc. are all very common accident causes that are not attributed to pilot error. EDIT: This article cites a study saying that 69% of general aviation crashes in 2020 were due to pilot error. The remaining 31% is, obviously, still a large number! https://pilotinstitute.com/aviation-accident-causes/ https://pilotinstitute.com/aviation-accident-causes/
- laverya 2y ago
  General aviation stats might not be entirely applicable to commercial aviation, of course. The planes are less redundant, less well maintained, and flown by less experienced crew - it's hard to tell which of those factors will tend to dominate, or whether they cancel out.
  - TheSpiceIsLife 2y ago
    Commercial airliners tend to fly themselves to a large extent. Most of the aircraft used in general aviation are about as good at flying themselves as a motorcycle.

adastra22 2y ago

But sometimes the pilot followed correct procedure, and the correct procedure was to blame. In those instances the procedure is changed.

wkat4242 2y ago
Yes or the correct procedure was not correctly written up in the flight manual, not trained on, too hard to find in a pinch etc. Or the situation was so complex it was hard to identify which procedure applied.

wkat4242 2y ago

True but these days it's very very hard to know everything actively. There's just so very much. It's understandable when a pilot forgets about that one obscure button that's only used in some edge case only happening on one in 100.000 flights. These days being a pilot is a lot like being a system engineer especially since the dedicated flight engineer position is gone. Yet also requiring the spatial awareness and manual skills of flying. I'm often surprised how well it still goes with the complexity of modern aircraft.

Gare 2y ago
> I'm often surprised how well it still goes with the complexity of modern aircraft. Most of that "complexity" are systems that help the pilots, reduce workload and possibility of error. It's really hard to crash a modern airliner.
- lukan 2y ago
  "It's really hard to crash a modern airliner." When everything is working as it should be. If it isn't, you want the pilot to understand what is not working and act on it.
OJFord 2y ago
I don't think GP is saying anything to the contrary, just that you can find 'pilot error' because however unreasonable that is what is expected. Essentially the same as ignorance of the law not being a valid defence. I do not know all the laws. I am nevertheless held accountable to them if I am (allegedly) found in contravention of them.
david422 2y ago
> It's understandable when a pilot forgets about that one obscure button that's only used in some edge case only happening on one in 100.000 flights. They have recurrent training so they don't forget about those buttons though.

avalys 2y ago

I wouldn't say "extremely rare". Mechanical failures, maintenance errors, ATC errors, bird strikes, incorrect weather forecasts, etc. are all very common accident causes that are not attributed to pilot error. EDIT: This article cites a study saying that 69% of general aviation crashes in 2020 were due to pilot error. The remaining 31% is, obviously, still a large number! https://pilotinstitute.com/aviation-accident-causes/ https://pilotinstitute.com/aviation-accident-causes/

laverya 2y ago
General aviation stats might not be entirely applicable to commercial aviation, of course. The planes are less redundant, less well maintained, and flown by less experienced crew - it's hard to tell which of those factors will tend to dominate, or whether they cancel out.
- TheSpiceIsLife 2y ago
  Commercial airliners tend to fly themselves to a large extent. Most of the aircraft used in general aviation are about as good at flying themselves as a motorcycle.